Try Bullseye Bluing down in Columbus. They have a Facebook page. They recovered a WWII Remington Rand I had. I think it cost around $200.
https://www.facebook.com/search/top/?q=bullseye bluing gunsmithing services
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The redneck pimp in me says you ruined a perfectly glitzy gun. But the realist in me says the end result looks really really nice. I'm conflicted.